Smoke coming into the room instead of going up the chimney can have several causes. Here are safe observations to make and when to get professional help.

What may be affecting the draft

Possible causes include a damper that isn't fully open, a cold or obstructed flue, or airflow pushing smoke back into the room. These are possibilities, not a diagnosis.

  • Before lighting a fire, check that the damper is open using its normal control, if it's safely accessible.
  • Notice whether smoke enters every time or only under certain conditions, such as when it's windy or another exhaust fan is running.
  • Don't dismantle the fireplace or chimney, enter an unsafe attic, or climb onto the roof to inspect it.

When to stop using the fireplace

If smoke keeps entering the room, stop using the fireplace until it has been checked by a qualified professional. If smoke is heavy or anyone has trouble breathing, move outside to fresh air and seek urgent help.

Start with a chimney sweep

A chimney sweep is the relevant service for checking the chimney and fireplace when smoke is coming indoors. Use the Chimney Sweep service page, then confirm that the provider serves your address and handles fireplace smoke or draft inspections.

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